Home / 19,996.12-30,014.40-11,692

Finding the Fourth Proportional to 19,996.12, 30,014.40 and 11,692

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Solution

The fourth proportional to 19,996.12, 30,014.40 and 11,692 is: 17,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.12 : 30,014.40 = 11,692 : x
  2. Step 2: Convert to fraction form
    19,996.12/30,014.40 = 11,692/x
  3. Step 3: Cross multiply
    19,996.12x = 30,014.40 × 11,692
  4. Step 4: Simplify right side
    19,996.12x = 350,928,364.80
  5. Step 5: Solve for x
    x = 350,928,364.80/19,996.12
  6. Step 6: Final answer
    x = 17,549.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.